Selden Jennings Coffin (August 3, 1838 – March 15, 1915) was an American professor of mathematics and astronomy.

Coffin attended Lafayette College in Easton, Pennsylvania and upon graduating in 1858, attended Princeton University where he graduated in 1864 earning a Ph.D.[1] During his time at Princeton, Coffin was also a professor of mathematics and astronomy at Lafayette.

He also helped publish a work his father had started titled The Winds of the Globe.

This work was commissioned by the American Association for the Advancement of Science, of which Selden Coffin was a fellow, and published by the Smithsonian Institution.

[3] In 1873, Coffin assumed the chair of mathematics and astronomy which was left vacant by his father upon his death that same year.